42020

Names of 42020

• Cardinal: 42020 can be written as Forty-two thousand and twenty.

Scientific notation

• Scientific notation: 4.202 × 10⁴

Factors of 42020

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 209

Divisors of 42020

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 110 191 220 382 764 955 1910 2101 3820 4202 8404 10505 21010 42020
• Sum of all divisors σ(n): 96768
• Sum of proper divisors (its aliquot sum) s(n): 54748
• 42020 is an abundant number, because the sum of its proper divisors (54748) is greater than itself. Its abundance is 12728

Bases of 42020

• Binary: 1010010000100100₂
• Hexadecimal: 0xA424
• Base-36: WF8

Squares and roots of 42020

• 42020 squared (42020²) is 1765680400
• 42020 cubed (42020³) is 74193890408000
• The square root of 42020 is 204.9878045153
• The cube root of 42020 is 34.7657830759

Scales and comparisons

• 42,020 seconds is equal to 11 hours, 40 minutes, 20 seconds.
• To count from 1 to 42,020 would take you about eleven hours.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 42020 cubic inches would be around 2.9 feet tall.

Recreational maths with 42020

• 42020 backwards is 02024
• The number of decimal digits it has is: 5
• The sum of 42020's digits is 8
• More coming soon!